2109494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1355

約数の個数: 16

約数和(自身を含む): 3410880

約数和(自身を除く): 1301386

約数列:

[1, 2, 19, 38, 43, 86, 817, 1291, 1634, 2582, 24529, 49058, 55513, 111026, 1054747, 2109494]

約数ペア:

[(1, 2109494), (2, 1054747), (19, 111026), (38, 55513), (43, 49058), (86, 24529), (817, 2582), (1291, 1634)]